package loop;

import java.util.Scanner;

public class judge_2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in) ;
        System.out.println("请输入需要判断的年份：");
        int year = scanner.nextInt() ;
        if( (year%4 == 0 && year % 100 != 0) || year % 400 == 0 ){
            System.out.println("闰年");
        }else{
            System.out.println("不是闰年");
        }
    }
}
